/**********************************************************************MPEG-4 Audio VMCommon moduleThis software module was originally developed byBodo Teichmann (FhG)and edited byin the course of development of the MPEG-2 NBC/MPEG-4 Audio standardISO/IEC 13818-7, 14496-1,2 and 3. This software module is animplementation of a part of one or more MPEG-2 NBC/MPEG-4 Audio toolsas specified by the MPEG-2 NBC/MPEG-4 Audio standard. ISO/IEC givesusers of the MPEG-2 NBC/MPEG-4 Audio standards free license to thissoftware module or modifications thereof for use in hardware orsoftware products claiming conformance to the MPEG-2 NBC/ MPEG-4 Audiostandards. Those intending to use this software module in hardware orsoftware products are advised that this use may infringe existingpatents. The original developer of this software module and his/hercompany, the subsequent editors and their companies, and ISO/IEC haveno liability for use of this software module or modifications thereofin an implementation. Copyright is not released for non MPEG-2NBC/MPEG-4 Audio conforming products. The original developer retainsfull right to use the code for his/her own purpose, assign or donatethe code to a third party and to inhibit third party from using thecode for non MPEG-2 NBC/MPEG-4 Audio conforming products. Thiscopyright notice must be included in all copies or derivative works.Copyright (c) 1997.Source file: fir_filt.h$Id: fir_filt.h,v 1.3 1998/05/05 19:05:20 purnhage Exp $Authors:tmn       Bodo Teichmann mailto:tmn@iis.fhg.deChanges:05-may-98 HP    added extern "C"**********************************************************************/#ifndef _fir_filt_h_#define _fir_filt_h_typedef struct{  float *memoryPtr;  int writeIdx;  int readIdx;  float *filtPtr;  int filtLength;} FIR_FILT ;#ifdef __cplusplusextern "C" {#endifFIR_FILT *initFirLowPass(float stopBand,int taps);void firLowPass(float* inBuffer,float *outBuffer,int no, FIR_FILT *filter );void subSampl(float * inBuff, float * outBuff,int factor,int *noOfSampl);#ifdef __cplusplus}#endif#endif  /* _fir_filt_h_ */